[ Managementlove can be defined as] the function of getting things done through others. - Harold Koontz

The Mathematical School ; Although mathematical methods can be used by any school of management theory, and have been, I have chosen to group under a school those theorists who see management as a system of mathematical models and processes. Perhaps the most widely known group I arbitrarily so lump are the operations researchers or operations analysts, who have sometimes anointed themselves with the rather pretentious name of "management scientists." The abiding belief of this group is that, if management, or organization, or planning, or decision making is a logical process, it can be expressed in terms of mathematical symbols and relationships. The central approach of this school is the model, for it is through these devices that the problem is expressed in its basic relationships and in terms of selected goals or objectives.

A prominent manufacturer once said that although he could see some use for an organization chart for his factory, he had refused to chart the organization above the level of factory superintendent. His argument was that charts tend to make people overly conscious of being superiors or inferiors, tend to destroy team feeling, and give persons occupying a box on the chart too great a feeling of "ownership"?Another top executive once said that if an organization is left uncharted, it can be changed more easily and that the absence of a chart also encourages a competitive drive for higher executive positions on the part of the uncharted middle-management group.

The Management Process School : This approach to management theory perceives management as a process of getting things done through and with people operating in organized groups. It aims to analyze the process, to establish a conceptual framework for it, to identify principles underlying it, and to build up a theory of management from them. It regards management as a universal process, regardless of the type that the environment of management differs widely between enterprises and levels. It looks upon management theory as a way of organizing experience so that practice can be improved through research, empirical testing of principles, and teaching of fundamentals involved in the management process.